openfl.component.straggler_handling_functions.straggler_handling_function.StragglerHandlingPolicy

class openfl.component.straggler_handling_functions.straggler_handling_function.StragglerHandlingPolicy

Bases: ABC

Federated Learning straggler handling interface.

__init__()

Methods

__init__()
reset_policy_for_round()	Reset policy variable for the next round.
start_policy(**kwargs)	Start straggler handling policy for collaborator for a particular round.
straggler_cutoff_check(...)	Determines whether it is time to end the round early.

abstract reset_policy_for_round()

Reset policy variable for the next round.

Parameters:

None

Returns:

None

Return type:

None

abstract start_policy(**kwargs)

Start straggler handling policy for collaborator for a particular round. NOTE: Refer CutoffTimeBasedStragglerHandling for reference.

Parameters:

**kwargs

Returns:

None

Return type:

None

abstract straggler_cutoff_check(num_collaborators_done, num_all_collaborators, **kwargs)

Determines whether it is time to end the round early.

Parameters:

• num_collaborators_done (int) – int Number of collaborators finished.

• num_all_collaborators (int) – int Total number of collaborators.

Returns:

True if it is time to end the round early, False otherwise.

Return type:

bool

Raises:

NotImplementedError – This method must be implemented by a subclass.